This is the 4407th most frequent Catalan word.
irrupció
"Irrupció" means "sudden entrance or invasion."
The word 'irrupció' here is used to indicate an unexpected and sudden appearance or occurrence of something, in this case, the rain.
L'irrupció de la pluja va sorprendre tothom a la festa.
The sudden onset of the rain surprised everyone at the party.
In this context, 'irrupció' is employed to refer to the sudden or striking appearance of new concepts that had a major impact.
L'irrupció d'idees noves va transformar el món artístic l'any passat.
The emergence of new ideas transformed the artistic world last year.
Here, 'irrupció' is used to describe the abrupt and forceful entrance of protesters into a significant location.